TDB6HK124N16RRBPSA1

SCRs - Modules Overview

The Infineon TDB6HK124N16RRBPSA1 is a thyristor module with an integrated chopper IGBT. It features a rectifier/thyristor rated for 1600 V repetitive peak reverse voltage and 70 A RMS on-state current per chip, alongside a DC output current of 125 A at 85°C case temperature. The surge current limit is 650 A at 25°C junction temperature. The integrated IGBT provides a collector-emitter blocking voltage of 1200 V and a continuous DC collector current of 70 A at 80°C. A fast diode within the module handles 1200 V reverse voltage and 35 A DC forward current. The unit includes an NTC temperature sensor with a 5 kΩ resistance at 25°C.

SCRs - Modules Feature Summary

• Integrates a thyristor bridge with a brake-chopper IGBT for controlled power conversion and dynamic braking.
• Includes a fast recovery diode optimized for high-speed switching applications.
• Features an internal NTC temperature sensor connected to the baseplate for thermal monitoring.
• Utilizes Al2O3 internal insulation with a comparative tracking index (CTI) of 225 V.

SCRs - Modules Applications

• Industrial motor drives requiring regenerative braking capabilities
• High-power rectifier circuits in industrial machinery
• DC drive systems utilizing dynamic braking choppers

SCRs - Modules Procurement Notes

Verify component authenticity by cross-referencing the manufacturer part number against official datasheets. Confirm that the specific ordering suffix matches the required electrical characteristics and package configuration. Ensure compliance with RoHS directives and check for any specific handling requirements related to the press-fit or screw-mount installation methods specified in the mechanical data.

SCRs - Modules Selection Notes

Select this module when a combined thyristor rectifier and IGBT brake chopper topology is required. Verify that the 1600 V thyristor rating and 1200 V IGBT rating align with the system's maximum voltage stress. Ensure the cooling solution can maintain the case temperature within the -40°C to +125°C operating range while managing the total power dissipation of 400 W.

SCRs - Modules Part Context

This component belongs to the TD B6HK series of thyristor modules with chopper IGBTs. It is designed for robust industrial applications where space efficiency and integrated braking functionality are critical. The module combines multiple semiconductor functions into a single housing to simplify circuit design and improve reliability in high-power environments.

SCRs - Modules Replacement Considerations

Consult official replacement lists for updated versions with revised suffixes. Ensure any substitute maintains identical pinout, mounting dimensions, and thermal resistance values to guarantee compatibility with existing heatsink and PCB layouts.

SCRs - Modules FAQ

What is the maximum allowable junction temperature for this module?

The maximum junction temperature (Tvj max) is 125°C.

How is the NTC sensor connected in this module?

The NTC temperature sensor is connected to the baseplate.

What is the critical rate of rise of on-state current (di/dt)cr?

The critical rate of rise of on-state current is 120 A/µs according to DIN IEC 747-6.